.header {
    background-color: aqua;
    padding: 6px 8px;
}

.header a {
    color: black !important;
    text-decoration: none !important;
}

.header a:hover {
    color: black !important;
    text-decoration: none !important;
}

.header a:visited {
    color: black !important;
    text-decoration: none !important;
}

a {
    color:blue;
    text-decoration: none;
}

a:hover {
    color:red;
    text-decoration: underline;
}

a:visited {
    color:blueviolet;
    text-decoration: none;
}

body {
    margin: 0;
}

.content {
    margin: 16px !important;
}

.header-tt {
    font-size: 24px;
}